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Diodes Incorporated DDC143XU-13
- Part No.:
- DDC143XU-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
DDC143XU-13.pdf
- Description:
- Prebias Transistor SOT363 T&R 10
- Quantity:
- Payment:
- Shipping:
Inventory:6,435
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Product details
Overview
DDC143XU-13 from Diodes Incorporated is an NPN pre-biased dual small-signal transistor in SOT363 package, featuring integrated 4.7 kΩ and 10 kΩ bias resistors (R1/R2), 50 V VCBO, 100 mA output current capability, and 200 mW power dissipation - used for level-shifting and digital switching in automotive body control modules.
For engineers reviewing the DDC143XU-13 datasheet, DDC143XU-13 pinout, DDC143XU-13 application, or DDC143XU-13 equivalent, this device serves as a compact dual-channel logic interface with guaranteed VI(on)/VI(off) thresholds, low VCE(sat) at 100 mA, and AEC-Q101 qualification for under-hood signal conditioning.
Technical Context
This dual NPN transistor integrates two independent pre-biased elements in one SOT363 package, each with separate base resistors enabling direct TTL/CMOS drive without external bias networks. It supports rail-to-rail input voltage operation from –7 V to +20 V and delivers stable 100 mA sink current per channel.
The device uses epitaxial planar die construction with matte tin-plated leads, operates across –55 °C to +150 °C, and meets IATF 16949 manufacturing standards. Its R1/R2 ratio tolerance of ±20% ensures predictable switching thresholds in high-volume automotive PCB designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCBO | 50 V - maximum collector-base voltage before breakdown; enables use in 24 V automotive systems with margin. |
| IO | 100 mA - continuous output current per channel; sufficient for driving LEDs, relays, or MOSFET gates. |
| VCE(sat) | 0.3 V @ IC/IB = 10 mA / 0.5 mA - low saturation voltage minimizes power loss and heat rise in switching mode. |
| R1 / R2 | 4.7 kΩ / 10 kΩ - factory-trimmed internal bias network eliminates need for external resistors in digital interface circuits. |
| PD | 200 mW - total package power dissipation; derates linearly above +25 °C ambient per 625 °C/W θJA. |
| VI(on) | 1.9 V @ IO = 20 mA - guaranteed turn-on threshold compatible with 3.3 V and 5 V logic families. |
| hFE | 30–80 - DC current gain range at IC = 10 mA, VCE = 5 V; optimized for saturated switch operation, not linear amplification. |
Pinout & Package
SOT363 surface-mount package: 6-pin, dual-row, 0.65 mm pitch, 2.15 mm × 2.10 mm footprint, 0.95 mm height, moisture sensitivity level 1, UL 94V-0 molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (C1) | Collector of Transistor 1 | Sink output node for first channel; connects to load cathode or gate pull-down path. |
| 2 (B1) | Base of Transistor 1 | Internally connected to R1 (4.7 kΩ) and R2 (10 kΩ); accepts logic-level input directly. |
| 3 (E1) | Emiter of Transistor 1 | Common emitter connection for Channel 1; tied to ground or reference return path. |
| 4 (E2) | Emiter of Transistor 2 | Common emitter connection for Channel 2; electrically isolated from E1 but same potential in typical layout. |
| 5 (B2) | Base of Transistor 2 | Internally connected to identical R1/R2 network; enables synchronous dual-channel control. |
| 6 (C2) | Collector of Transistor 2 | Sink output node for second channel; supports independent load switching with shared bias topology. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including body electronics, lighting, and HVAC control modules. |
| Dual NPN with matched R1/R2 | 4.7 kΩ/10 kΩ resistor pair per channel ensures consistent VI(on)/VI(off) behavior across temperature and process variation. |
| SOT363 package | Enables high-density routing on space-constrained PCBs while maintaining thermal performance via exposed pad-compatible layout. |
| Green, halogen-free construction | Meets RoHS 3 (2015/863/EU), <900 ppm Br+Cl, <1000 ppm Sb - compliant with Tier 1 automotive sustainability requirements. |
| –55 °C to +150 °C operation | Supports placement near engines, under-dash ECUs, and other high-ambient-temperature zones without derating penalties. |
Applications
| Automotive LED Tail Light Control | Industrial PLC Digital Output Module |
|---|---|
|
Use Scenario: Driving multiple red/amber LED strings in rear combination lamps with PWM dimming and fault detection. IC Role / Device Role / Timing Role: Dual-channel sink switch providing independent current paths for brake and turn-signal functions. Use Value: Eliminates four discrete resistors and two transistors per channel, reducing BOM count by 60% and PCB area by 35%. |
Use Scenario: Isolating microcontroller GPIOs from 24 V industrial field devices like solenoids and indicator lamps. IC Role / Device Role / Timing Role: Logic-level translator and current amplifier interfacing MCU outputs to higher-voltage loads. Use Value: Guaranteed 1.9 V VI(on) ensures reliable activation from 3.3 V MCUs even with trace voltage drop over long cables. |
| Automotive Body Control Unit (BCU) | Smart Home Appliance Motor Driver Interface |
|
Use Scenario: Controlling door lock actuators, window lift motors, and mirror adjustment circuits in centralized BCU designs. IC Role / Device Role / Timing Role: High-side referenced load switch with integrated base biasing for simplified PCB routing. Use Value: 100 mA per channel supports peak inrush currents of small DC motors while maintaining <0.3 V VCE(sat). |
Use Scenario: Enabling microcontroller-based timing sequences for washing machine drum direction and spin speed control. IC Role / Device Role / Timing Role: Dual-channel interface between timing IC and H-bridge gate drivers. Use Value: Matched R1/R2 tolerances ensure synchronized enable/disable timing across both motor directions, preventing shoot-through risk. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NPN pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DDC114YU-7-F | 10 kΩ / 47 kΩ R1/R2 values; lower VI(on) (1.4 V) but reduced IO (70 mA). | Better suited for low-voltage logic interfaces where drive strength is secondary to threshold precision. | Select when interfacing with 1.8 V or 2.5 V controllers requiring tighter VI(on) control. |
| DDC143ZU-7-F | 4.7 kΩ / 47 kΩ R1/R2; higher VI(on) (2.5 V) and same 100 mA IO rating. | Optimized for noise-immune 5 V systems where higher threshold prevents false triggering. | Prefer in environments with >1 V of supply ripple or EMI coupling on control lines. |
Compared with DDC143XU-13, DDC114YU offers lower switching threshold at reduced current drive, while DDC143ZU trades threshold margin for enhanced noise immunity - all three share identical SOT363 footprint and AEC-Q101 qualification.
Availability
DDC143XU-13 is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, body control units, and smart appliance motor interfaces requiring stable component supply and AEC-Q101 compliance.
Supply support for DDC143XU-13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The DDC series targets cost-sensitive, high-reliability digital interface applications in automotive and industrial markets, emphasizing integrated biasing, AEC-Q101 qualification, and green packaging.
FAQ
Is DDC143XU-13 pin-compatible with other DDC(XXXX)U series devices in SOT363?
Yes - all DDC(XXXX)U devices use identical SOT363 pinout (C1-B1-E1-E2-B2-C2) and mechanical dimensions. However, internal R1/R2 values differ across part numbers, so electrical behavior varies despite physical compatibility.
What is the maximum allowable continuous current per channel at +85 °C ambient?
At +85 °C ambient, derating reduces maximum continuous current to 60 mA per channel, calculated using 200 mW PD and 625 °C/W θJA: (200 mW − (85−25)°C × 0.32 mW/°C) / 0.3 V ≈ 60 mA.
Can DDC143XU-13 be used in linear amplifier configurations?
No - it is optimized for saturated switching operation only. The hFE specification (30–80) and lack of linearity data in the datasheet indicate it is not characterized for analog gain applications.
Does DDC143XU-13 require external decoupling capacitors when used with microcontrollers?
No external decoupling is required for basic switching operation. However, a 100 nF ceramic capacitor placed near the VCC pin is recommended when driving inductive loads to suppress voltage spikes during turn-off.
DDC143XU-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Bulk
- Product Status:
- Active
- Transistor Type:
- 2 NPN - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 4.7kOhms
- Resistor - Emitter Base (R2):
- 10kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 30 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 500nA (ICBO)
- Frequency - Transition:
- 250MHz
- Power - Max:
- 200mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
DDC143XU-13 FAQ
1.How can I place an order for DDC143XU-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDC143XU-13 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DDC143XU-13 reliable?
The price and inventory of DDC143XU-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDC143XU-13 is usually 5 days.
3.What payment methods are accepted for DDC143XU-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDC143XU-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDC143XU-13?
DDC143XU-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDC143XU-13 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DDC143XU-13?
For technical support, including DDC143XU-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDC143XU-13 requirements.
6.How does Aetrix verify that DDC143XU-13 is sourced from the original manufacturer or authorized distributors?
All DDC143XU-13 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DDC143XU-13 meets industry standards.
7.What is the process for return or replacement of DDC143XU-13?
All DDC143XU-13 units undergo pre-shipment inspection (PSI). If there is an issue with DDC143XU-13, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DDC143XU-13 part is unused and in its original packaging.
Return procedure for DDC143XU-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDC143XU-13 Tags
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SMUN5311DW1T1G
onsemi
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UMH9NTN
Rohm Semiconductor
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PUMH13,115
Nexperia USA Inc.
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PUMD3-QX
Nexperia USA Inc.
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PUMD2,115
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RN4987FE,LF(CT
Toshiba Semiconductor and Storage
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PUMD12,115
Nexperia USA Inc.
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PUMD9,115
Nexperia USA Inc.
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PUMH9,115
Nexperia USA Inc.
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PUMD3,115
Nexperia USA Inc.
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DCX114EU-7-F
Diodes Incorporated
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PUMD13,115
Nexperia USA Inc.
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